Beats Solo 4 vs CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active
Updated April 2026 — Beats Solo 4 wins on charging and build quality, CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active wins on value and noise cancellation.
$43.02CMF Buds 2a Wireless Earbuds Active Noise Cancelling 42dB Hybrid ANC Bluetooth Headphones, 12.4mm Dynamic Driver for Big Bass, 4 Mic Clear Calls, Sport Ear Buds for iPhone, Android, Dark Grey
CMF BY NOTHING
The CMF BY NOTHING CMF Buds 2a offers a clearer value proposition with a defined price of $43.02 and specific active noise cancellation ratings of 42dB. While the Beats Solo 4 provides over-ear comfort and spatial audio features, the lack of pricing data and unspecified noise cancellation in the provided information gives the advantage to the CMF option for budget-conscious buyers seeking verified specs.
Why Beats Solo 4 is better
Includes wired listening option
Bundle includes 3.5 mm analog audio cable
Higher charging wattage support
Supports fast-charging up to 60 watts
Spatial audio feature
Personalized Spatial Audio with dynamic head tracking
Why CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active is better
Confirmed affordable pricing
Listed at $43.02 compared to N/A
Verified noise cancellation level
42dB Smart Active Noise cancelling
Newer Bluetooth standard
Bluetooth 5.4 connectivity
Water and dust resistance
IP54 rating for active lifestyles
Advanced microphone array
Quad HD ENC mics with Clear Voice Tech
Overall score
Specifications
| Spec | Beats Solo 4 | CMF BY NOTHING CMF Buds 2a Wireless Earbuds Active |
|---|---|---|
| Brand | Beats | CMF BY NOTHING |
| Price | N/A | $43.02 |
| Driver Size | null | 12.4mm |
| Noise Cancellation | null | 42dB Smart ANC |
| Bluetooth Version | null | 5.4 |
| Water Resistance | null | IP54 |
| Wired Audio Support | 3.5 mm analog audio cable | null |
| Charging Speed | Up to 60 watts | null |
Dimension comparison
Design and build quality
The Beats Solo 4 features an ultralight ergonomic design intended for all-day comfort. It utilizes a flex-grip headband and ergonomically angled, adjustable ear cups to ensure a stable fit during use. The build emphasizes exceptional durability, with materials designed to withstand regular handling. In contrast, the CMF BY NOTHING CMF Buds 2a focuses on a stylish and ergonomic design celebrated with design accolades. The earbuds are refined over years of development to suit various ear shapes. While the Beats model offers a headband structure, the CMF option provides a compact form factor that is lanyard-ready, catering to users who prefer a minimalistic build for active scenarios.
Sound Quality and Drivers
Audio performance is a key differentiator between these two devices. The Beats Solo 4 employs a custom acoustic architecture with updated drivers to deliver powerful Beats sound. It also supports Personalized Spatial Audio with dynamic head tracking, enhancing the immersive experience for compatible content. The CMF Buds 2a utilizes studio-grade 12.4mm Bio-fiber drivers co-tuned with DIRAC, a renowned audio provider for luxury vehicles. This collaboration aims to provide a warm soundstage with rich mids and crisp or thundering bass. Users can adjust the sound profile with Off or Custom settings, allowing for tailored listening experiences depending on personal preference and genre requirements.
Noise Cancellation Capabilities
Active noise cancellation is a critical feature for many headphone users. The provided data for the CMF Buds 2a explicitly states it features 42dB Smart Active Noise cancelling. This level of noise reduction is tailored for common daily scenarios, helping to block out ambient noise during commutes or work. The text for the Beats Solo 4 does not specify an active noise cancellation rating or feature in the provided details. While it offers spatial audio features, the lack of confirmed ANC specifications in the data makes the CMF option the clearer choice for users prioritizing silence and isolation from their environment without needing to verify additional documentation.
Comfort and Fit
Comfort strategies differ significantly due to the form factors. The Beats Solo 4 uses UltraPlush ear cushions designed for both comfort and durability. The adjustable ear cups and flex-grip headband allow users to customize the fit for long listening sessions without fatigue. The CMF Buds 2a ensures comfort through multiple in-ear headphone tips designed to fit all ear shapes. This approach allows for a secure seal which is essential for both sound quality and noise cancellation effectiveness. The CMF series is noted for award-winning comfort, trusted by customers globally, suggesting a high level of satisfaction with the ergonomic design despite the smaller in-ear form factor compared to the over-ear Beats.
Connectivity and Compatibility
Connectivity options vary between the two models. The Beats Solo 4 is compatible with a wide range of USB-C devices, including Apple and Android devices, Apple CarPlay, and Android Auto. It also includes a 3.5 mm analog audio cable for wired connections, providing versatility when battery power is low. The CMF Buds 2a leverages Bluetooth 5.4 to deliver a secure connection. It supports Fast Pair features including Google Fast Pair and Microsoft Quick Switch. This ensures seamless integration with ecosystems using these platforms. While Beats offers wired fallback, CMF focuses on modern wireless standards for quick device switching.
Microphone and Call Quality
Communication clarity is essential for modern headsets. The CMF Buds 2a is equipped with Quad HD ENC mics featuring Clear Voice Tech and Wind Noise Reduction 2.0. These specifications are designed to ensure crystal-clear communication wherever the user is located, handling environmental interference effectively. The provided information for the Beats Solo 4 does not detail specific microphone technology or noise reduction features for calls. Without explicit data on mic performance or ENC technology for the Beats model, the CMF Buds 2a holds a distinct advantage for users who prioritize call quality and voice clarity in windy or noisy conditions.
Battery Life and Charging
Charging capabilities are highlighted differently in the product data. The Beats Solo 4 supports fast-charging up to 60 watts and data transfer at USB 2.0 rates. It comes with a universal USB-C to USB-C cable for charging and audio. The bundle also includes an additional 20 cm USB-C to USB-C black Beats Cable. The CMF Buds 2a data mentions uninterrupted active lifestyles and IP54 ratings but does not specify battery hour counts or charging wattage in the provided text. While the Beats model specifies high wattage support, the lack of total battery life hours for both products makes direct endurance comparison difficult based solely on the provided specifications.
Price and Value
Value assessment relies heavily on available pricing information. The CMF BY NOTHING CMF Buds 2a is listed at a price of $43.02, offering a concrete cost entry point for buyers. It includes features like ANC, IP54 rating, and advanced microphone tech at this price point. The Beats Solo 4 lists the price as N/A in the provided data. Without a confirmed price, evaluating the value proposition of the Beats model is challenging compared to the transparent pricing of the CMF option. For budget-conscious consumers seeking verified features per dollar, the CMF Buds 2a presents a more quantifiable value based on the available information.
